US Bridges

FM 346 over Stone Chimney Creek

Good

Cherokee County, Texas · 0.42 MI NW of FM 855 · Structure no. 100370176402003

Built
1971
54 years old
Condition
Good
inspected January 2023
Type
Stringer/Multi-beam or Girder
Concrete
Length
160 ft
4 main spans
Daily traffic
1,890
2023 count
Owner
State
State Highway Agency

About this bridge

FM 346 over Stone Chimney Creek is a concrete stringer/multi-beam or girder carrying FM 346 over Stone Chimney Creek in Cherokee County, Texas. It was built in 1971, so it is 54 years old, older than the Texas average of 44.4 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 1,890 vehicles a day, roughly 6% of them trucks, projected to reach 1,480 by 2033. The structure is 160 ft (48.8 m) long and 28 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

CarriesFM 346
CrossesStone Chimney Creek
Location0.42 MI NW of FM 855
RouteState Highway 346
StateTexas
Coordinates32.08266, -95.41076
Functional classRural Major Collector

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJanuary 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating60 US tons
Inventory rating36 US tons

Structure

MaterialConcrete
DeckConcrete, cast-in-place
Main spans4
Design loadH 20
Structure length160 ft (48.8 m)
Longest span40 ft (12.2 m)
Deck width28 ft (8.6 m)
Roadway width26 ft (7.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,890 (2023)
Projected traffic1,480 by 2033
Trucks6%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.2 mi (10 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusPossibly eligible for the National Register; requires further investigation
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was FM 346 over Stone Chimney Creek built?

It was built in 1971, making it 54 years old in 2025.

What condition is FM 346 over Stone Chimney Creek in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in January 2023.

How much traffic does FM 346 over Stone Chimney Creek carry?

About 1,890 vehicles per day (2023 count), of which roughly 6% are trucks.

How long is FM 346 over Stone Chimney Creek?

The structure is 160 ft (48.8 m) long with a longest span of 40 ft (12.2 m) and a deck 28 ft wide.

Who owns FM 346 over Stone Chimney Creek?

It is owned by the State Highway Agency.